Aegasteroceras

Aegasteroceras is an extinct cephalopod genus from the Lower Jurassic belonging to the arietitid subfamily Asteroceratinae. The shell of Aegasteroceras is evolute with curve forward and meet at a broad low ventral keel. Aegasteroceras, named by Spath, 1925, has been found in the Sinemurian (Lower Jurassic) of England.